A.  If  n = 25 , µ = 20%, M = 10%, and s = 15%, What is the t-stat for the sample? B.  If  n = 25 , µ = 20%, M = 10%, and s = 15%, Did the training significantly reduce how much the participants over-estimate the length? Use alpha = 0.01, two-tailed. Group of answer choices yes, p > 0.01 two-tailed no, p > 0.01 two-tailed yes, p < 0.01 two-tailed no, p < 0.01 two-tailed   C. If  n = 25 , µ = 10%, M = 20%, and s = 15%, What is Cohen's d effect size for this experiment?

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